package com.atguigu.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.ProductConstant;
import com.atguigu.common.to.SkuHasStockVo;
import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTO;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.product.dao.SpuInfoDao;
import com.atguigu.gulimall.product.entity.*;
import com.atguigu.gulimall.product.feign.CouponFeignService;
import com.atguigu.gulimall.product.feign.SearchFeignService;
import com.atguigu.gulimall.product.feign.WareFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.*;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

@SuppressWarnings("all")
@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {


    @Autowired
    private SpuInfoDescService spuInfoDescService;
    @Autowired
    private SpuImagesService spuImagesService;
    @Autowired
    private AttrService attrService;
    @Autowired
    private ProductAttrValueService attrValueService;
    @Autowired
    private SkuInfoService skuInfoService;
    @Autowired
    private SkuImagesService skuImagesService;
    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;
    @Autowired
    CouponFeignService couponFeignService;
    @Autowired
    private BrandService brandService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private WareFeignService wareFeignService;
    @Autowired
    private SearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        String key=(String) params.get("key");
        String status=(String) params.get("status");
        String brandId=(String) params.get("brandId");
        String catelogId=(String) params.get("catelogId");

        if(!StringUtils.isEmpty(key)){
            wrapper.and((w)->{
                w.eq("id",key).or().like("spu_name",key);
            });
        }
        if(!StringUtils.isEmpty(status)){
            wrapper.eq("publish_status",status);
        }

        if(!StringUtils.isEmpty(brandId)&&!"0".equalsIgnoreCase(brandId)){
            wrapper.eq("brand_id",brandId);
        }
        if(!StringUtils.isEmpty(catelogId)&&!"0".equalsIgnoreCase(catelogId)){
            wrapper.eq("catalog_id",catelogId);
        }

        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    /**
     *
     * @param vo
     */
    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo vo) {

        //1.保存spu的基本信息 psm_spu_info
        SpuInfoEntity spuInfoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,spuInfoEntity);
        spuInfoEntity.setCreateTime(new Date());
        spuInfoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(spuInfoEntity);
        //2.保存spu的描述信息 psm_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(spuInfoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);
        //3.保存spu的的图片集 psm_spu_images
        List<String> images = vo.getImages();
        spuImagesService.saveImages(spuInfoEntity.getId(),images);
        //4.保存spu的规格参数 pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map((item) -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(item.getAttrId());
            valueEntity.setAttrValue(item.getAttrValues());
            valueEntity.setQuickShow(item.getShowDesc());
            AttrEntity byId = attrService.getById(item.getAttrId());
            valueEntity.setAttrName(byId.getAttrName());
            valueEntity.setSpuId(spuInfoEntity.getId());
            return valueEntity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(collect);
        //保存spu的积分信息 gulimall_sms -- sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTO spuBoundTO = new SpuBoundTO();
        BeanUtils.copyProperties(bounds,spuBoundTO);
        spuBoundTO.setSpuId(spuInfoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTO);
        if(r.getCode()!=0){
            log.error("远程保存spu积分信息失败");
        }


        //5.保存当前spu对于的所有的sku表
        //5.1 psm_sku_info 基本信息
        List<Skus> skus = vo.getSkus();
        if(skus!=null&&skus.size()>0){
            skus.forEach((item)->{

                String defaltImg="";
                for (Images images2:item.getImages()){
                    if(images2.getDefaultImg()==1){
                        defaltImg=images2.getImgUrl();
                    }
                }
                //"skuName": "Apple XR 黑色 6GB",
        		//"price": "1999",
        		//"skuTitle": "Apple XR 黑色 6GB",
        		//"skuSubtitle": "Apple XR 黑色 6GB",
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setBrandId(spuInfoEntity.getBrandId());
                skuInfoEntity.setCatalogId(spuInfoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(spuInfoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaltImg);
                skuInfoService.saveSkuInfo(skuInfoEntity);
                Long skuId = skuInfoEntity.getSkuId();
                //5.2 sku的图片信息
                List<SkuImagesEntity> collect1 = item.getImages().stream().map((item2) -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(item2.getImgUrl());
                    skuImagesEntity.setDefaultImg(item2.getDefaultImg());
                    return skuImagesEntity;
                }).filter((entity)->{
                    //返回true就是需要,返回false就是剔除
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //TODO 没有图片路径的不用保存

                skuImagesService.saveBatch(collect1);
                //5.3 sku的销售属性值 psm_sku_sale_attr_value
                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> collect2 = attr.stream().map((a) -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);
                    return attrValueEntity;
                }).collect(Collectors.toList());
                skuSaleAttrValueService.saveBatch(collect2);
                //5.4 sku的优惠满减等信息 gulimall_sms-sms_sku_ladder、、
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                skuReductionTo.setSkuId(skuId);
                BeanUtils.copyProperties(item,skuReductionTo);
                if(skuReductionTo.getFullCount()>0||skuReductionTo.getFullPrice().compareTo(new BigDecimal(0))==1){
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if(r1.getCode()!=0){
                        log.error("远程保存sku优惠信息失败");
                    }
                }

            });
        }



    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity spuInfoEntity) {
            this.save(spuInfoEntity);
    }
    /**
     * 商品上架操作
     * @param spuId
     */
    @Override
    public void up(Long spuId) {
        //1.查出当前spuid对应的所有sku信息，品牌的名字等
        List<SkuInfoEntity> skus = skuInfoService.getSkusBySpuId(spuId);

        //TODO 4. 查询当前sku的所有可以用来检索的规格参数
        List<ProductAttrValueEntity> baseAttrs = attrValueService.baseAttrlistforspu(spuId);
        //挑出是可以检索属性的信息,收集所有属性的id
        List<Long> attrIds = baseAttrs.stream().map(attr -> {  //把属性的id都先统一返回过来
            return attr.getAttrId();
        }).collect(Collectors.toList());

        //再根据上面收集到的所有属性的id，去attr属性表里面挑出他们的attr_id在我们指定的集合里面并且search_type是1。这个1是检索属性
        List<Long>  searchAttrIds = attrService.selectSearchAttrIds(attrIds); //过滤出一个都是检索属性的attrs的集合
        Set<Long> idSet =new HashSet<>(searchAttrIds);
        // List<SkuEsModel.Attrs> attrs = new ArrayList<>();
        List<SkuEsModel.Attrs> attrsList = baseAttrs.stream().filter(item -> {
            return idSet.contains(item.getAttrId());
        }).map(item -> {
            //拿到检索属性的元素
            SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item, attrs1);
            return attrs1;
        }).collect(Collectors.toList());
        //TODO 1. 发送远程服务,调用库存查询是否有库存
        Map<Long, Boolean> stockMap=null;
        try{
            List<Long> skuIdList = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
            R r = wareFeignService.getSkuHasStock(skuIdList);
            //skuid，和到低有没有库存组合成了一个map
            TypeReference<List<SkuHasStockVo>> typeReference = new TypeReference<List<SkuHasStockVo>>() {
            };
            List<SkuHasStockVo> data = r.getData(typeReference);
            stockMap = data.stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));
        }catch (Exception e){
            log.error("库存服务查询异常,原因{}",e);
        }

        //2.封装每个sku的信息
        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> upProducts = skus.stream().map(sku -> {
            //组装数据到es
            SkuEsModel esModel = new SkuEsModel();
            BeanUtils.copyProperties(sku,esModel);
            // skuPrice、skuImg、hasStock、hotScope
            esModel.setSkuPrice(sku.getPrice());
            esModel.setSkuImg(sku.getSkuDefaultImg());
            //TODO 1. 发送远程服务,调用库存查询是否有库存
            if(finalStockMap ==null){
                esModel.setHasStock(true);
            }else{
                esModel.setHasStock(finalStockMap.get(sku.getSkuId()));
            }
            //TODO 2. 热点评分
            esModel.setHotScore(0L);
            //TODO 3、查询品牌和分类的名字信息
            BrandEntity brand = brandService.getById(esModel.getBrandId());
            esModel.setBrandName(brand.getName());
            esModel.setBrandImg(brand.getLogo());
            CategoryEntity category= categoryService.getById(esModel.getCatalogId());
            esModel.setCatalogName(category.getName());
            esModel.setAttrs(attrsList); //设置检索属性
            return esModel;
        }).collect(Collectors.toList());
        //TODO 5.将数据发送给es进行保存
        try{
            R r = searchFeignService.productStatusUp(upProducts);
            if(r.getCode()==0){
                //远程调用成功
                //TODO 6. 修改当前spu的状态
                baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
            }else{
                //远程调用失败
                //TODO 7.接口幂等性?重试机制
                //Feign的调用流程
                /**
                 * 1.构造请求数据,将对象转成JSON
                 *
                 */
            }
        }catch (Exception e){
            e.printStackTrace();
        }



    }


}